1, 具体参数如下:1、ELECTRICAL SPECIFICATIONSITEM（GPS） SPECCenter Frequency1575.42±1.023MHz (For the PCB ground plane in customer’s mechanical)BandWidth[10dB return BW]15MHz min.Peak Gain3dBic typ.Impedance50ΩGainCoverage≥3dBi
(仰角90°)≥-1.5dBi (仰角40°)≥-4dBi
(仰角20°)Axial Ratio6dBmax.Output V.S.W.R1.5dB max.PolarizationRHCPITEM（BD）SPECCenter Frequency2491.75±4MHz (For the PCB ground plane in customer’s mechanical)BandWidth[10dB return BW]40MHz min.Peak Gain4dBic typ.Impedance50ΩGainCoverage≥4dBi
(仰角90°)≥0dBi
(仰角40°)≥-2.5dBi
(仰角20°)Axial Ratio6dBmax.Output V.S.W.R1.5dB max.PolarizationRHCPCHARACTERISTICSSPEC VoltageDC 5±0.5VCurrent80mA maxCenter Frequency1575.42±5MHz2491.75±5MHzGain25±3dB typ ( GPS `)33±3dB typ ( BD )Noise Figure1.5dB max ( GPS `)1.7dB max ( BD )Filter(Out of band attenuation)SAW filter30dB min fo±60MHz (fo=1575.42MHz) Dielectric filter10dB min fo±100MHz(fo=2492MHz)
Output V.S.W.R1.5dBmax
2, 可以根据客户要求订做产品.
